PACCAR PX-8 CM2150 (2007-09) Fault Code: 1843 PID: 101 SPN: 101 FMI: 3 Crankcase Pressure Circuit – Voltage Above Normal or Shorted to High Source. High signal voltage detected at the crankcase pressure circuit.

Verify the electronic control module (ECM) calibration is correct. Check the calibration revision history found on QuickServe® Online for applicable fixes to the calibration stored in the ECM. If necessary, recalibrate the ECM.

The crankcase pressure sensor shares supply and return wires in the engine harness with other sensors. Opens and shorts in the engine harness can cause multiple fault codes to be active. Before troubleshooting, check for multiple fault codes.

Possible causes:

1)Open return circuit in the engine harness, connectors, or sensor
2)Signal wire shorted to sensor supply or battery voltage.

Possible repairs:

1)Replace the crankcase pressure sensor.
2)The removal and installation of the connector may correct the problem.
3)Repair or replace the engine harness.
4)Replace the ECM.

Categories DTC TRUCKS, PACCAR, PX-8 CM2150 (2007-09) Tags -, 101, 1843, 2007-09, 3, Above, at, Circuit, Circuit., CM2150, Code, Crankcase, Detected, Fault, FMI, High, Normal, or, PACCAR, PID, Pressure, PX-8, Shorted, signal, Source., SPN, the, to, Voltage

NAVISTAR ENGINE CYLINDER PERFORMANCE ANALYZER V7.8.8.1
Navistar $52.00
Rated 0 out of 5
CAT ET 2024 Diagnostic Software for Heavy
CAT $100.00
Rated 0 out of 5
Perkins EST 2021B v1.0 Active License + FPKG ( 1 PC )
CAT $75.00
Rated 0 out of 5
Wabco PIN Code Calculator Diagnostic Software PIN 1 PIN 2
Trucks software $10.00
Rated 0 out of 5
Volvo Intermediate Storage File Encryptor/Decryptor (Editor) VISFED 0.3.2
Trucks software $35.00
Rated 0 out of 5

Bendix Acom Pro 2023 V1 diagnostic software 1PC
Bendix $83.00
Rated 0 out of 5
Volvo Penta EPC 6 Offline VMware [12.2021] VMware
Trucks software $64.00
Rated 0 out of 5
Detroit Diesel Switcher Tool + Video Manual
Detroit $12.00
Rated 0 out of 5
Navistar Diamond Logic Builder 2023 (DLB)
Navistar $94.00
Rated 0 out of 5
Allison DOC Premium 2023
Allison $96.00
Rated 0 out of 5
Cumming Caltem 5.9.1 2022 ( 1 PC )
cummisznn $78.00
Rated 0 out of 5
John Deere Service Advisor 5.3 CF & AG 2020.08
John Deere $200.00
Rated 0 out of 5
CAT ET Electronic Technician 2019C
CAT $40.00
Rated 0 out of 5
Diesel Diagnostic Link 8.17 SP1 2023
Detroit $96.00
Rated 0 out of 5
Meritor WABCO Toolbox 12.12 Software
Trucks software $40.00
Rated 0 out of 5
JOHN DEERE PARTS ADVISOR & HITACHI 2.24.2 [2023.07] EPC
Hitachi $125.00
Rated 0 out of 5
volvo Devtool Studio V2 / V3 / V4 Developer tool plus 2.6 / 2.7
Trucks software $35.00
Rated 0 out of 5
Volvo Intermediate Storage File Encryptor/Decryptor (Editor) VISFED 0.3.2
Trucks software $35.00
Rated 0 out of 5
Detroit Diesel Diagnostic Link DDDL 6.50 ( software trucks )
Detroit $20.00
Rated 0 out of 5
DAF Davie Runtime v5.6.1 Davie XDc ll [02.2019] + Expire Fix 302.00 Unlock ( Windows 7 )
DAF $70.00
Rated 0 out of 5

SERVICE MANUAL Carrie Supra 422, 522,622, 722, 822,922, 644,744,844, 944 & Supra Multi-Temp
CARRIE $20.00
Rated 0 out of 5
SERVICE MANUAL Carrie Supra 644 744 844
CARRIE $20.00
Rated 0 out of 5
SERVICE MANUAL HINO FD.FE.FF.SG 2004
HINO $37.00
Rated 0 out of 5
MANUAL SERVICE DEUTZ AGROTRON 210-235-265
DEUTZ $34.00
Rated 0 out of 5
SERVICE MANUAL BOBCAT 642b sms
BOBCAT $47.00
Rated 0 out of 5
SERVICE MANUAL Carrie Eagle Plus with Microprocessor NDB 40/46/49
CARRIE $22.00
Rated 0 out of 5
Allison 1000 and 2000 Series Gen 4 (2005-11) Service manual
Allison $10.00
Rated 0 out of 5
SERVICE MANUAL BOBCAT 116 sms
BOBCAT $54.00
Rated 0 out of 5
SERVICE MANUAL International Engines DT466 & DT570 (2004-2006) D
INTERNATIONAL ENGINES $34.00
Rated 0 out of 5
SERVICE MANUAL International Engines VT275 (2004 & Older)
INTERNATIONAL ENGINES $21.00
Rated 0 out of 5